Houndoom (179/163) [Sword & Shield: Battle Styles] League Tokens 2014 The other Synchro Material(s) cannot

The other Synchro Material(s) cannot be Level 4

Set: Secret Lair Drop Series Type: Legendary Creature — Cat Avatar Rarity: Mythic Cost: {3}{G}{W} Eminence — At the beginning of combat on your turn

Set: Eternal Masters Type: Sorcery Rarity: Mythic Cost: {2}{G}{G} As an additional cost to cast this spell

you can reveal 1 Fusion Monster from your Fusion Deck and send 1 of the Fusion Material Monsters listed on that card from your Deck to the Graveyard

Houndoom (179/163) [Sword & Shield: Battle Styles] League Tokens 2014 The other Synchro Material(s) cannotSet: Sword & Shield: Battle Styles Type: Darkness Rarity: Secret Rare Retreat cost: Colorless, Colorless